Possible solutions.

Upgrade to Java 1.6.0_24 JVM or higher.

Add the following argument inside your JVM config file: -Dfrlicenseservice.protocol=http. By adding that argument, the JVM is going to force the use of http rather than https and the validator will no longer be required for licensing.

It is important to state that with every JDK update on production servers, prior testing in a staging environment is recommended. Moreover, any SSL certificates added to the previous JDK used, will also need to be re added to the new JDK (cacerts) file.Finally, it is important to try and keep your environment up to date in order to avoid any similar issues in the future.